/**
* Copyright (c) 2013, Institute of Information Systems (Sven Groppe and contributors of LUPOSDATE), University of Luebeck
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* - Neither the name of the University of Luebeck nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package lupos.geo;
import lupos.datastructures.items.literal.TypedLiteral;
import lupos.engine.operators.singleinput.TypeErrorException;
import lupos.engine.operators.singleinput.filter.expressionevaluation.Helper;
import lupos.geo.deserializer.GeoSPARQLWktDeserializer;
import lupos.geo.deserializer.GmlDeserializer;
import lupos.geo.deserializer.StSPARQLWktDeserializer;
import com.vividsolutions.jts.geom.Geometry;
/**
* Richard Mietz
* Date: 21.02.13
*/
public class GeoHelper
{
public static final String geoSPARQLFunctionUri = "http://www.opengis.net/def/function/geosparql/";
public static final String geoSPARQLwktDataTypeURI = "http://www.opengis.net/ont/geosparql#wktLiteral";
public static final String geoSPARQLgmlDataTypeURI = "http://www.opengis.net/ont/geosparql#gmlLiteral";
public static final String stURI = "http://strdf.di.uoa.gr/ontology#";
public static final String stWktDataTypeURI = stURI + "WKT";
public static final String stGeometryDataTypeURI = stURI + "geometry";
public static final String stGmlDataTypeURI = stURI + "GML";
public static final String stSPARQLFunctionUri = stURI;
public static Geometry getGeoSPARQLGeometry(Object a) throws TypeErrorException
{
a = Helper.unlazy(a);
if (a instanceof TypedLiteral) {
final TypedLiteral tl = (TypedLiteral) a;
String content = tl.getContent();
if(content.startsWith("\"")){
content = tl.getContent().substring(1, tl.getContent().length() - 1);
}
if (tl.getType().compareTo("<" + geoSPARQLwktDataTypeURI + ">") == 0){
return new GeoSPARQLWktDeserializer().toGeometry(content);
}
else if(tl.getType().compareTo("<" + geoSPARQLgmlDataTypeURI + ">") == 0){
return new GmlDeserializer().toGeometry(content);
}
throw new TypeErrorException();
}
throw new TypeErrorException();
}
public static Geometry getStSPARQLGeometry(Object a) throws TypeErrorException {
a = Helper.unlazy(a);
if (a instanceof TypedLiteral) {
final TypedLiteral tl = (TypedLiteral) a;
String content = tl.getContent();
if(content.startsWith("\"")){
content = tl.getContent().substring(1, tl.getContent().length() - 1);
}
if (tl.getType().compareTo("<" + stWktDataTypeURI + ">") == 0 || tl.getType().compareTo("<" + stGeometryDataTypeURI + ">") == 0){
return new StSPARQLWktDeserializer().toGeometry(content);
}
else if(tl.getType().compareTo("<" + stGmlDataTypeURI + ">") == 0){
return new GmlDeserializer().toGeometry(content);
}
throw new TypeErrorException();
}
throw new TypeErrorException();
}
}